CN213574170U - Mining car type hydraulic support - Google Patents
Mining car type hydraulic support Download PDFInfo
- Publication number
- CN213574170U CN213574170U CN202022739696.3U CN202022739696U CN213574170U CN 213574170 U CN213574170 U CN 213574170U CN 202022739696 U CN202022739696 U CN 202022739696U CN 213574170 U CN213574170 U CN 213574170U
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- hydraulic support
- rod
- rack
- hydraulic
- compression spring
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- 238000005065 mining Methods 0.000 title claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 36
- 238000007906 compression Methods 0.000 claims description 36
- 238000005553 drilling Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 abstract description 11
- 239000003245 coal Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The utility model provides a mining vehicle type hydraulic support, which triggers clamping devices through a first rack and a second rack respectively and simultaneously, two clamping devices can lock multiple ground surfaces instantly, so as to prevent the occurrence of landslide of the hydraulic support and correspondingly reduce the occurrence of accidents, the mining vehicle type hydraulic support comprises a base, the front side and the rear side of the upper end of the base are respectively and rotatably provided with a rotating rod, the other ends of the rotating rods are respectively and rotatably provided with a top plate, the right end of the top plate is hinged with a supporting plate, a vertical hydraulic rod is arranged between the base and the supporting plate, the front side and the rear side of the lower end of the base are respectively and vertically and slidably provided with driving wheels which are symmetrical, and when in use, due to the irregularity of the inner wall of a mine hole, the pressure plate can be perfectly attached to the inner wall of the mine hole, the stability and the practicability of the device are enhanced.
Description
Technical Field
The utility model relates to a hydraulic support field, concretely relates to mining car formula hydraulic support.
Background
The hydraulic support is a structure used for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic support in an external load mode, and in a mechanical system in which the hydraulic support and surrounding rock of the coal face interact, if the resultant force of all supporting pieces of the hydraulic support and the resultant force of the external load of a top plate acting on the hydraulic support are exactly the same straight line, the hydraulic support is very suitable for the surrounding rock of the coal face; the common hydraulic support consists of a pushing device, a control system and other auxiliary devices (a hydraulic cylinder upright post, a jack, a bearing structural member top beam, a shield beam and a base).
In the mining operation in colliery, because the outward transportation of ground bed coal mine can lead to the inside bearing structure unstability of soil to make the ore deposit hole take place to cave in, so need cooperate hydraulic support to support in the ore deposit hole when coal mining and make it remain stable, the car formula hydraulic support is one kind of hydraulic support, still has some weak points when using:
1. the top supporting surface of the existing hydraulic support is mostly designed in a horizontal shape, and due to the irregularity of the inner wall of the mine hole, the top plate of the hydraulic support cannot be well attached to the inner wall of the mine hole, so that the uneven stress of the top beam is easily caused, the hydraulic support can be toppled when the stress is serious, and the practicability of the device is reduced;
2. in the coal mine excavation process, inclined mine tunnels need to be excavated so as to enter the interior of a mine bed, and when the hydraulic support is used, a landslide phenomenon and even a safety accident easily occur between a base and a slope surface.
Therefore, the utility model provides a mining car formula hydraulic support solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a mining car formula hydraulic support, the effectual roof of having solved can not be fine laminate with the mine cavity inner wall and the problem of landslide phenomenon easily appears between base and the slope.
A mining vehicle type hydraulic support comprises a hydraulic support, wherein the bottom of the hydraulic support is respectively and fixedly provided with a plurality of clamping devices, each clamping device respectively comprises a fixed frame fixedly installed at the front end and the rear end of the bottom of the hydraulic support, each fixed frame positioned at the front side is respectively and rotatably provided with a front contact rod, each fixed frame positioned at the rear side is respectively and rotatably provided with a rear contact rod, the bottom of the hydraulic support is respectively and fixedly provided with a fixed column positioned at the front end of each front contact rod and the rear end of each rear contact rod, each fixed column is respectively and coaxially sleeved with a sliding rod respectively in contact with the front contact rod and the rear contact rod, each fixed column is respectively and coaxially sleeved with a first compression spring positioned between the sliding rod and the hydraulic support, the bottom of each sliding rod is respectively and fixedly provided with a ground drilling cone, the front side and the rear side of the bottom of the hydraulic support are respectively provided with driving wheels which are symmetrical from top to bottom in a sliding mode, and each driving wheel is connected with a triggering device between the front contact rod and the rear contact rod.
Preferably, trigger device includes slidable mounting in hydraulic support bottom and is located every the first rack of preceding contact lever front side, hydraulic support bottom slidable mounting has and is located every second rack between back contact lever and the first rack, per two coaxial fixed mounting respectively has the driving gear on the opposite face of drive wheel, slidable mounting has about the bottom of hydraulic support respectively with per two driving gear meshing and synchronous and every first rack and second rack meshing's driven lever.
Preferably, both ends difference fixed mounting has the second compression spring who is located per two drive wheel tops about hydraulic support's the bottom, every coaxial fixed mounting respectively in both ends of driven lever has with driving gear engaged with driven gear, every on the driven lever respectively coaxial fixed mounting have with first rack toothing's first gear, rotate on hydraulic support's the bottom and install respectively with first gear and second rack toothing's third gear, hydraulic support's bottom and every install third compression spring between the front end of first rack, hydraulic support's bottom and every install fourth compression spring between the rear end of second rack, every coaxial cover is equipped with the rotation cover on the driven lever, install fifth compression spring between hydraulic support's bottom and the rotation cover.
Preferably, sliding plates are respectively slidably mounted on the front end and the rear end of the bottom of the hydraulic support up and down, wheels are respectively rotatably mounted on the left end and the right end of each of the two sliding plates, lower hydraulic rods are respectively fixedly mounted between the front end and the rear end of the hydraulic support and the sliding plates, a plurality of sixth compression springs are respectively and uniformly fixedly mounted on the top of the hydraulic support, pressure plates are respectively fixed to the upper ends of the sixth compression springs, a left hydraulic rod is fixedly mounted on the left end of the hydraulic support, a telescopic plate is fixedly mounted on the telescopic end of the left hydraulic rod, and an upper hydraulic rod is mounted between the bottom of the hydraulic support and the top of the hydraulic support.
The utility model has the advantages that:
when a landslide phenomenon occurs in the use process, the clamping devices are triggered through the first rack and the second rack respectively and simultaneously, and at the moment, the clamping devices can lock multiple ground surfaces instantly, so that the landslide phenomenon of the hydraulic support is prevented, and accidents are reduced correspondingly; because the irregularity of ore hole inner wall, at this moment the pressure plate can carry out the perfect laminating by the ore hole inner wall at the use to it is even to lead to the back timber atress easily, prevents that hydraulic support from taking place to empty the phenomenon and taking place, reinforcing the device stability and practicality.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a schematic view of the driving wheel of the present invention.
Fig. 3 is a diagram of the clamping device of the present invention.
Fig. 4 is an enlarged view of the position a of the present invention.
Fig. 5 is an enlarged view of the position C of the present invention.
Fig. 6 is a view of the first rack installation of the present invention.
Fig. 7 is an enlarged view of the position B of the present invention.
Fig. 8 is a view showing the installation of the pressure plate according to the present invention.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 8. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
Embodiment one, a mining car formula hydraulic support, includes base 1, the bottom of base 1 is groove structure, base 1 left side upper end front and back both sides respectively fixed mounting have the fixed block, two rotate respectively on the fixed block and install dwang 2, two rotate respectively on the other end of dwang 2 and install roof 3, the upper end of roof 3 is groove structure, use mutually supporting between base 1 and two dwang 2 and the roof 3 when using, make roof 3 upper end hug closely the danger that the ore hole inner wall prevented the whereabouts of fragment, can provide the supporting role for the ore hole inner wall simultaneously, make things convenient for workman's operation and provide corresponding space for the exploitation of ore deposit, the right-hand member of roof 3 articulates there is backup pad 4, backup pad 4 provides the supporting role for the ore hole inner wall when using, install perpendicular hydraulic stem 5 between base 1 and backup pad 4, vertical hydraulic rods 5 are respectively hinged to the front side and the rear side of the base 1, the telescopic ends of the two vertical hydraulic rods 5 are respectively hinged to a supporting plate 4, the two vertical hydraulic rods 5 are selected to be of proper types according to specific use, the two vertical hydraulic rods 5 are respectively connected with a control device, and the control device is connected with a power supply;
the bottom of the base 1 is respectively and fixedly provided with a plurality of clamping devices, each clamping device respectively comprises a fixed frame 11 fixedly arranged at the front end and the rear end of the bottom of the base 1, each fixed frame 11 positioned at the front side is respectively and rotatably provided with a front contact rod 12, each fixed frame 11 positioned at the rear side is respectively and rotatably provided with a rear contact rod 13, the bottom surface of the front side of each front contact rod 12 and the bottom surface of the rear side of each rear contact rod 13 are respectively provided with a lower inclined plane, a torsion spring is arranged between each front contact rod 12 and each rear contact rod 13 and the rotating shaft of the fixed frame 11, the type of the torsion spring is selected according to the use, the bottom of the base 1 is respectively and fixedly provided with a fixed column 14 positioned at the front end of each front contact rod 12 and the rear end of each rear contact rod 13, and each fixed column 14 is respectively and coaxially sleeved with a sliding rod 15 respectively contacted with the front contact rod 12 and the rear contact, the lower end of each sliding rod 15 is provided with an upper inclined surface which is in sliding contact with the lower inclined surfaces of the front contact rod 12 and the rear contact rod 13, each fixing column 14 is coaxially sleeved with a first compression spring 105 which is positioned between the sliding rod 15 and the hydraulic support, the type of the first compression spring 105 is selected according to use, the bottom of each sliding rod 15 is fixedly provided with a ground drilling cone 16, the material of the ground drilling cone 16 is selected according to use, the front side and the rear side of the bottom of the hydraulic support are respectively provided with driving wheels 6 which are bilaterally symmetrical up and down in a sliding manner, and a triggering device is connected between each driving wheel 6 and each front contact rod 12 and each rear contact rod 13.
When the hydraulic support frame is placed on a slope surface in use, the gravity of the hydraulic support frame can press each trigger device into the groove of the base 1 through the driving wheel 6, each trigger device is simultaneously contacted with the front contact rod 12 and the rear contact rod 13 respectively, when the hydraulic support takes the driving wheel 6 to slide, the corresponding driving wheel 6 takes the triggering device to rotate, the triggering device respectively takes the corresponding front contact rod 12 to swing forwards and the corresponding rear contact rod 13 to swing backwards, each of the front contact bars 12 and the rear contact bar 13 is simultaneously separated from the lower slope of the slide bar 15, since each sliding rod 15 is respectively subjected to the elastic force of the first compression spring 105, each sliding rod 15 simultaneously tightens the ground with the corresponding ground boring cone 16, the sliding phenomenon of the device can be prevented through the operation, and meanwhile, accidents are prevented.
In the second embodiment, on the basis of the first embodiment, the triggering device includes a first rack 9 slidably mounted at the bottom of the base 1 and located at the front side of each front contact rod 12, a second rack 10 slidably mounted at the bottom of the base 1 and located between each rear contact rod 13 and the first rack 9, a driving gear 7 is coaxially and fixedly mounted on each of the opposite surfaces of each two driving wheels 6, and a driven rod 8 meshed with each two driving gears 7 and synchronously meshed with each first rack 9 and each second rack 10 is slidably mounted at the bottom of the hydraulic support up and down;
when the hydraulic support is used, when the hydraulic support is placed on a slope surface, the gravity of the hydraulic support can press each trigger device into the groove of the base 1, the corresponding driven rod 8 enters the groove of the base 1 along with the driving wheel 6, at the moment, the two driven rods 8 are respectively meshed with the corresponding first rack 9 and the corresponding third gear 20, when the hydraulic support slides, each driving wheel 6 drives the corresponding driving gear 7 to synchronously roll along the ground, at the moment, each driving gear 7 drives the corresponding driven rod 8 to rotate, the two driven rods 8 respectively drive the first racks 9 to slide, the first racks 9 respectively push the upper ends of the corresponding front contact rods 12, at the same time, the lower end of each front contact rod 12 is respectively separated from the lower end of the corresponding sliding rod 15, and at the same time, the two driven rods 8 respectively synchronously drive the corresponding third gear 20 to rotate, the third gear 20 drives the corresponding second rack 10 to slide backwards, the second racks 10 respectively prop against the upper ends of the corresponding rear contact bars 13, and the lower end of each rear contact bar 13 is separated from the lower end of the corresponding sliding bar 15, because each sliding bar 15 is respectively subjected to the elastic force of the first compression spring 105, the sliding bars 15 simultaneously drive the corresponding ground drilling cones 16 to tighten the ground, so that the device is prevented from sliding and accidents occur.
Third embodiment, on the basis of the first embodiment, a second compression spring 17 located above each driving wheel 6 is fixedly installed at each of the left and right ends of the base 1, each driving wheel 6 can slide upwards against the corresponding second compression spring 17 when in use, the type of the second compression spring 17 is selected according to the use, a driven gear 18 engaged with the driving gear 7 is coaxially and fixedly installed at each end of each driven rod 8, each driving gear 7 can rotate in engagement with the corresponding driven gear 18, a first gear 19 engaged with the first rack 9 is coaxially and fixedly installed on each driven rod 8, a third gear 20 engaged with the first gear 19 and the second rack 10 is rotatably installed on the base 1, the first gear 19 can simultaneously and respectively drive the first rack 9 to slide and the third gear 20 to rotate, a third compression spring 21 is installed between the front end of the base 1 and the front end of each first rack 9, when each first rack 9 slides forwards, the first compression spring can automatically reset through the elastic force of the third compression spring 21 under the effect of no external force, a fourth compression spring 22 is installed between the rear end of the base 1 and the rear end of each second rack 10, when each second rack 10 slides backwards, the second compression spring can automatically reset through the elastic force of the fourth compression spring 22 under the effect of no external force, the types of the third compression spring 21 and the fourth compression spring 22 are selected according to the use, a rotating sleeve 23 is coaxially sleeved on each driven rod 8, the rotating sleeve 23 can rotate on the corresponding driven rod 8, a fifth compression spring 24 is installed between the bottom of the base 1 and the rotating sleeve 23, and the fifth compression spring 24 is selected according to the use, each follower lever 8 can slide upwards against a corresponding fifth compression spring 24 in use.
In the fourth embodiment, on the basis of the third embodiment, sliding plates 25 are respectively installed on the front and rear end surfaces of the base 1 in a vertically sliding manner, wheels 26 are respectively installed on the left and right ends of the two sliding plates 25 in a rotating manner, the type of the wheels 26 is selected according to the use, one of the wheels 26 is coaxially and fixedly connected with a forward and reverse rotating motor, the forward and reverse rotating motor is selected to be of a proper type according to use, the positive and negative rotation motor is connected with a control device, the control device is connected with a power supply, lower hydraulic rods 27 are fixedly arranged between the front end and the back end of the base 1 and the sliding plate 25 respectively, the lower hydraulic rods 27 can drive the corresponding sliding plates 25 to slide up and down, the wheels 26 at the two ends of the sliding plate 25 are folded, the lower hydraulic rod 27 is connected with a control device, the control device is connected with an external power supply, and the type of the lower hydraulic rod 27 is selected as required when the device is used;
the upper end of the top plate 3 is respectively and uniformly and fixedly provided with a plurality of sixth compression springs 28, the grooves of the top plate 3 are respectively and uniformly and fixedly provided with a plurality of sixth compression springs 28, the sixth compression springs 28 are of proper types as required, the upper ends of the sixth compression springs 28 are respectively and fixedly provided with a pressure plate 29, when the top surface of the top plate 3 is tightly attached to the inner wall of the mine cave in use, due to the fact that the inner wall of the mine cave is uneven, the uneven stone on the inner wall of the mine cave can respectively press the corresponding pressure plates 29, so that the inner wall of the upper layer of the mine cave is tightly attached to the top plate 3, the upper end of the top plate 3 is enlarged in stress area, the left end of the base 1 is fixedly provided with a left hydraulic rod 30, the left hydraulic rod 30 is connected with a control device, the control device is connected with a power supply, the hydraulic rod 30 is of proper type as required, and the, the lifting device is characterized in that the stress area of the base 1 can be increased by the aid of the telescopic plate 31 when the lifting device is used, an upper hydraulic rod 32 is hinged between the front end of the supporting plate 4 and the front end of the top plate 3, the upper hydraulic rod 32 selects a proper model when used, the upper hydraulic rod 32 is connected with the control device, the control device is connected with a power supply, the supporting plate 4 can be opened by the aid of extension and retraction of the upper hydraulic rod 32 when the lifting device is used, a supporting effect is provided for the inner wall of a mine hole, and operation of workers.
The utility model has the advantages that:
when a landslide phenomenon occurs in the use process, the clamping devices are triggered through the first rack and the second rack respectively and simultaneously, at the moment, the two clamping devices can lock multiple ground surfaces instantly, the landslide phenomenon of the hydraulic support is prevented, and accidents are reduced correspondingly; because the irregularity of ore hole inner wall, at this moment the pressure plate can carry out the perfect laminating by the ore hole inner wall at the use to it is even to lead to the back timber atress easily, prevents that hydraulic support from taking place to empty the phenomenon and taking place, reinforcing the device stability and practicality.
Claims (4)
1. The utility model provides a mining car formula hydraulic support, includes hydraulic support, its characterized in that: the bottom of the hydraulic support is respectively and fixedly provided with a plurality of clamping devices, each clamping device respectively comprises a fixing frame (11) fixedly arranged at the front end and the rear end of the bottom of the hydraulic support, each fixing frame (11) positioned at the front side is respectively and rotatably provided with a front contact rod (12), each fixing frame (11) positioned at the rear side is respectively and rotatably provided with a rear contact rod (13), the bottom of the hydraulic support is respectively and fixedly provided with a fixed column (14) positioned at the front end of each front contact rod (12) and the rear end of each rear contact rod (13), each fixed column (14) is respectively and coaxially sleeved with a sliding rod (15) respectively in contact with the front contact rod (12) and the rear contact rod (13), each fixed column (14) is respectively and coaxially sleeved with a first compression spring (105) positioned between the sliding rod (15) and the hydraulic support, the bottom of each sliding rod (15) is fixedly provided with a ground drilling cone (16), the front side and the rear side of the bottom of the hydraulic support are respectively provided with driving wheels (6) in bilateral symmetry in a vertical sliding mode, and each driving wheel (6) is connected with a triggering device between each front contact rod (12) and each rear contact rod (13).
2. The mining truck type hydraulic support according to claim 1, characterized in that: trigger device includes slidable mounting in hydraulic support bottom and is located every first rack (9) of preceding contact lever (12) front side, slidable mounting in hydraulic support bottom has and is located every second rack (10) between back contact lever (13) and first rack (9), per two coaxial fixed mounting respectively has driving gear (7) on the opposite face of drive wheel (6), slidable mounting about the bottom of hydraulic support respectively has and per two driving gear (7) meshing and synchronous and every driven lever (8) of first rack (9) and second rack (10) meshing.
3. The mining truck type hydraulic support according to claim 2, characterized in that: the left end and the right end of the bottom of the hydraulic support are respectively and fixedly provided with a second compression spring (17) positioned above every two driving wheels (6), the two ends of each driven rod (8) are respectively and coaxially and fixedly provided with a driven gear (18) meshed with a driving gear (7), each driven rod (8) is respectively and coaxially and fixedly provided with a first gear (19) meshed with a first rack (9), the bottom of the hydraulic support is rotatably provided with a third gear (20) meshed with the first gear (19) and a second rack (10), a third compression spring (21) is arranged between the bottom of the hydraulic support and the front end of each first rack (9), a fourth compression spring (22) is arranged between the bottom of the hydraulic support and the rear end of each second rack (10), and each driven rod (8) is coaxially provided with a rotating sleeve (23), and a fifth compression spring (24) is arranged between the bottom of the hydraulic support and the rotating sleeve (23).
4. The mining truck type hydraulic support according to claim 1, characterized in that: sliding plates (25) are respectively slidably mounted on the front end and the rear end of the bottom of the hydraulic support in an up-and-down mode, wheels (26) are respectively rotatably mounted on the left end and the right end of each sliding plate (25), lower hydraulic rods (27) are respectively fixedly mounted between the front end and the rear end of the hydraulic support and the sliding plates (25), a plurality of sixth compression springs (28) are respectively and uniformly fixedly mounted on the top of the hydraulic support, pressure plates (29) are respectively fixed to the upper ends of the sixth compression springs (28), a left hydraulic rod (30) is fixedly mounted at the left end of the hydraulic support, a telescopic plate (31) is fixedly mounted at the telescopic end of the left hydraulic rod (30), and an upper hydraulic rod (32) is mounted between the bottom and the top of the hydraulic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739696.3U CN213574170U (en) | 2020-11-24 | 2020-11-24 | Mining car type hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022739696.3U CN213574170U (en) | 2020-11-24 | 2020-11-24 | Mining car type hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213574170U true CN213574170U (en) | 2021-06-29 |
Family
ID=76540117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022739696.3U Expired - Fee Related CN213574170U (en) | 2020-11-24 | 2020-11-24 | Mining car type hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213574170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211843A (en) * | 2023-11-09 | 2023-12-12 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Coal mine roof supporting device |
-
2020
- 2020-11-24 CN CN202022739696.3U patent/CN213574170U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117211843A (en) * | 2023-11-09 | 2023-12-12 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Coal mine roof supporting device |
| CN117211843B (en) * | 2023-11-09 | 2024-02-02 | 焦作煤业集团赵固（新乡）能源有限责任公司 | Coal mine roof supporting device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |